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Finding the Fourth Proportional to 64,343.08, 96,510.06 and 19,968.76

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Solution

The fourth proportional to 64,343.08, 96,510.06 and 19,968.76 is: 29,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.08 : 96,510.06 = 19,968.76 : x
  2. Step 2: Convert to fraction form
    64,343.08/96,510.06 = 19,968.76/x
  3. Step 3: Cross multiply
    64,343.08x = 96,510.06 × 19,968.76
  4. Step 4: Simplify right side
    64,343.08x = 1,927,186,225.73
  5. Step 5: Solve for x
    x = 1,927,186,225.73/64,343.08
  6. Step 6: Final answer
    x = 29,951.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.